US PATENT SUBCLASS 570 / 243
.~.~ Preparing by oxyhalogenation


Current as of: June, 1999
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570 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
243.~.~ Preparing by oxyhalogenation {2}
244  DF  .~.~.~> Liquid medium or inorganic melt utilized
245  DF  .~.~.~> Fixed bed catalyst utilized


DEFINITION

Classification: 570/243

Preparing by oxyhalogenation:

(under subclass 101) Process which includes reaction with a mixture of hydrogen halide and elemental oxygen whereby halogen is generated in situ.